Skip YUV/RGB conversion tests except first image
Skip the YUV<->RGB conversion tests except for the first loop iteration
(loop == 0) and the first image of an image sequence. The YUV<->RGB
conversion tests are time-consuming for large images, so we should try
to avoid duplicate tests.
diff --git a/tests/oss-fuzz/avif_decode_fuzzer.cc b/tests/oss-fuzz/avif_decode_fuzzer.cc
index 4165745..bb36596 100644
--- a/tests/oss-fuzz/avif_decode_fuzzer.cc
+++ b/tests/oss-fuzz/avif_decode_fuzzer.cc
@@ -25,6 +25,12 @@
if (result == AVIF_RESULT_OK) {
for (int loop = 0; loop < 2; ++loop) {
while (avifDecoderNextImage(decoder) == AVIF_RESULT_OK) {
+ if ((loop != 0) || (decoder->imageIndex != 0)) {
+ // Skip the YUV<->RGB conversion tests, which are time-consuming for large
+ // images. It suffices to run these tests only for loop == 0 and only for the
+ // first image of an image sequence.
+ continue;
+ }
avifRGBImage rgb;
avifRGBImageSetDefaults(&rgb, decoder->image);
